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Enabling IPv6 support for IPv4-only apps on Linux
Guest Post: How to easily enable IPv6 support for apps without it.
New
The latest blog posts to take off on Hacker News. 255 posts.
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BBC gives up on Threads, sticks with Mastodon
So numerous brands are giving up on Threads by Instagram, allegedly due to lack of engagement (ironically, most of them are still using...
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Encrypted Client Hello
We're excited to announce a contribution to improving privacy for everyone on the Internet. Encrypted Client Hello, a new standard that prevents networks from snooping on which websites a user is visiting, is now available on all Cloudflare plans.
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WiFi without internet on a Southwest flight
I spent a recent flight finding out what I could do with a connection to the flight’s wifi, but without access to the internet. I was on my way home from Strange Loop, a direct flight from St. Louis to Oakland. It’s a long enough flight that I planned to purchase the $8 internet access and get some work done, but…
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Cloudflare is now powering Microsoft Edge Secure Network
This integration will allow Microsoft Edge users who opt in to browse the Internet more privately, without being tracked across websites
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macOS 14 Sonoma firewall bug fixed
The firewall bug in macOS 14 Sonoma betas and release candidates that we blogged about last week has been fixed by Apple.
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Nuvem, a subsea cable to connect Portugal, Bermuda, and the U.S.
The Nuvem submarine cable will connect Portugal, Bermuda and South Carolina, and will be Bermuda’s first transatlantic fiber optic route.
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TOFU: Do You Check?
Let’s say you’re on a fresh machine. Maybe you’ve just started a new job or you’ve wiped your machine. You’re about to push some code you’ve written and you get this: $ git push The authenticity of host 'github.com (140.82.121.4)' can't be established. ED25519 key fingerprint is…
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AWS Customers Cannot Escape IPv4
AWS will charge for IPv4 addresses but its IPv6 support lacks severely
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Matrix 2.0: The Future of Matrix
Matrix, the open protocol for secure decentralised communications
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Introduction to Linux interfaces for virtual networking (2018)
Explore common Linux virtual network interfaces, including Bridge, Bonded interface, VLAN, VXLAN, MACVLAN, IPVLAN, MACVTAP/IPVTAP, and more. Learn how to create and use them effectively for your
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Quantum Resistance and the Signal Protocol
The Signal Protocol is a set of cryptographic specifications that provides end-to-end encryption for private communications exchanged daily by billions of people around the world. After its publication in 2013, the Signal Protocol was adopted not only by Signal but well beyond. Technical informat...
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Your WiFi Can See You
And it's so much worse than you think
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Apple TV, now with more Tailscale
Learn how Apple TV now supports Tailscale with tvOS 17, enabling secure remote networking, media streaming, and exit node functionality. Transform your Apple TV into a powerful networking tool today!
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Exploring the Halo 1 System Link Protocol
One of my all-time favorite games is Halo: Combat Evolved that launched together with the original Xbox in 2001. One major part of the game was multiplayer, up to 16 people at a LAN party could play together by connecting four Xbox consoles over Ethernet , referred to as System Link .
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AWS IPv4 Estate Now Worth $4.5B
AWS grew its IPv4 estate with an additional 27 million IP addresses to now owning 128 Million IPv4 addresses. At a value of $35 per IPv4 address, the total value of AWS’ IPv4 estate is ~4.5 Billion dollars. An increase of $2 billion
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Yes, Android 14 still allows modification of system certificates
Tim Perry recently claimed in an article that “Android 14 blocks all modification of system certificates, even as root”. This sparked significant discussion on Hacker News. Thankfully my tests show that it is still possible to adjust the system certificate store in Android 14.
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Bug in macOS 14 Sonoma prevents our app from working
The macOS 14 Sonoma betas and release candidate contain a bug that causes the firewall to not filter traffic correctly. As a result, our app does not work.
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Reasons to not use your own domain for email
Reasons to not use your own domain for email on Eduardo Bautista's blog.
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Arxiv.org is experiencing a DDoS attack
arXiv users may be experiencing email disruption due to a DDOS attack. Over the past few days, a small number of users issued over a million email change…
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WiFi can read through walls
UCSB researchers’ new method enables high-quality imaging of still objects with WiFi by using the Geometrical Theory of Diffraction and the corresponding Keller cones to trace edges of the objects.
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Unix Domain Sockets vs Loopback TCP Sockets (2014)
Two communicating processes on a single machine have a few options. They can use regular TCP sockets, UDP sockets, unix domain sockets, or shared memory. A recent project I was working on used Node…
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UK air traffic control meltdown
Some notes about the UK air traffic control meltdown
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How does Linux NAT a ping?
A few months ago, I found myself wondering how a command like ping 1.1.1.1 works from within a private network. In most private networks, multiple hosts connect to the Internet through a router. For IPv4, the router performs network address translation (NAT) by rewriting the original host’s source address to the…
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25 Gbit/s at home, part 1
First part of a story on how I’ve built 25 Gbps router for home use.
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Tailscale Has Partnered with Mullvad
Since Tailscale was founded in 2019, customers have been forced to choose between either Tailscale or Mullvad without the ability for them to co-exist.